288630216 has 320 divisors, whose sum is σ = 1034985600. Its totient is φ = 73156608.

The previous prime is 288630211. The next prime is 288630217. The reversal of 288630216 is 612036882.

288630216 is a `hidden beast` number, since 2 + 8 + 8 + 630 + 2 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (288630211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1465030 + ... + 1465226.

It is an arithmetic number, because the mean of its divisors is an integer number (3234330).

Almost surely, 2^288630216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 288630216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517492800).

288630216 is an abundant number, since it is smaller than the sum of its proper divisors (746355384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

288630216 is a wasteful number, since it uses less digits than its factorization.

288630216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 288630216 is about 16989.1205187320. The cubic root of 288630216 is about 660.8667950017.

The spelling of 288630216 in words is "two hundred eighty-eight million, six hundred thirty thousand, two hundred sixteen".